Optics is the study of the properties and behavior of light. In this section you can learn about everything from holograms to lasers and lenses.
How Laser Analysis Works
Laser analysis is advancing everything from forensics and archaeology to health care and art history. Learn how laser analysis technology works.
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Is there a light 10 billion times brighter than the sun?
A synchrotron can produce light that can be used to "read" ancient texts that have been badly damaged. Find out what a synchrotron is and how it is used. See more »
Is it possible to make a cloaking device?
Cloaking technology can achieve invisibility by bending light waves around an object. Find out how a cloaking device works and learn about cloaking technology limitations. See more »
How Holograms Work
Holograms are 3-D images that have been projected and captured on a 2-D surface. Find out how holograms work and see how a hologram is produced. See more »
Invisibility Cloak For Real This Time?
We first reported on the possibility of an invisibility cloak last year. Now a different invisibility cloak is making the news -- one that uses metamaterials to redirect light away from the wearer. See more »
How Invisibility Cloaks Work
With optical-camouflage technology, the invisibility cloak is a reality. Learn what it is. See more »
How 3-D Glasses Work
NASAÃ¢â‚¬â„¢s Mars rovers are sending 3-D images to Earth, so we can see depth and texture on the surface of Mars using 3-D glasses! Check out how they work. See more »
How Mirages Work
You're driving down the road on a sunny day, and you see a puddle of water coming up. You look again and it's gone! What happened? Learn what causes different kinds of mirages. See more »
How Light Microscopes Work
The human eye misses a lot -- enter the incredible world of the microscopic! Explore how a light microscope works. See more »
How Telescopes Work
A telescope can be as simple as a $100 amateur scope or as complicated as the Hubble space telescope. Learn how telescopes work and what to consider if you are thinking about buying one. See more »
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